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Reduce number of CES updates sent to API server in short time for the same CES #23615

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Mar 7, 2023
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Reduce number of CES updates sent to API server in short time for the same CES #23615

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5 changes: 3 additions & 2 deletions operator/pkg/ciliumendpointslice/endpointslice.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,9 @@ const (
// Delayed CES Synctime, CES's are synced with k8s-apiserver after certain delay
// Some CES's are delayed to sync with k8s-apiserver.
DelayedCESSyncTime = 15 * time.Second
// Default CES Synctime, sync instantaeously with k8s-apiserver.
DefaultCESSyncTime = 0
// Default CES Synctime, multiple consecutive syncs with k8s-apiserver are
// batched and synced together after a short delay.
DefaultCESSyncTime = 500 * time.Millisecond
)

type CiliumEndpointSliceController struct {
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7 changes: 2 additions & 5 deletions operator/pkg/ciliumendpointslice/manager.go
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Expand Up @@ -668,11 +668,8 @@ func (c *cesMgr) insertCESInWorkQueue(ces *cesTracker, baseDelay time.Duration)
if ces.cesInsertedAt.IsZero() {
ces.cesInsertedAt = time.Now()
}
if baseDelay == DefaultCESSyncTime {
c.queue.Add(ces.ces.GetName())
} else {
c.queue.AddAfter(ces.ces.GetName(), baseDelay)
}

c.queue.AddAfter(ces.ces.GetName(), baseDelay)
}

// Return the CES queue delay in seconds and reset cesInsert time.
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